KOINTREAU-4 b
Orbiting 2MASS J16262785-2625152
KOINTREAU-4 b is an exoplanet orbiting the star 2MASS J16262785-2625152, discovered in 2026 using the Imaging method.
Mass
4862.77
Earth masses
Distance
145.4
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
4862.77
Measured
Equilibrium Temperature
Unknown
Parameter source: Walker et al. 2026
Semi-Major Axis
182.0000+2.0000−2.0000au
Planet Mass (Earth masses)
4862.77+222.48−254.26
Planet Mass (Jupiter masses)
15.3000+0.7000−0.8000
Distance from Earth
145.4 pc (~474 ly)
Spectral Type
M4.5
Temperature
Unknown
Mass (Solar)
Unknown
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
246.6160°, -26.4210°
Discovery Method
Imaging
Discovery Year
2026
Source ID: KOINTREAU-4 b
KOINTREAU-4 b orbits 2MASS J16262785-2625152 and was reported in 2026 and was detected with the Imaging method.
Published measurements list a mass of 4,862.77 Earth masses.
Catalog data places the system at about 145.4 parsecs from Earth, a host star classified as M4.5, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open 2MASS J16262785-2625152